The __________ is a strand of fibrous tissue that provides longitudinal support as a component of the coccygeal ligament.
Dorsal root
Conus medullaris
Filum terminale
Cauda equina
Ventral root
Filum terminale
The dorsal root ganglia mainly contain
Synapses
Cell bodies of motor neurons
Cell bodies of sensory neurons
Axons of motor neurons
Cell bodies of sensory neurons
The outward projections from the central grey matter of the spinal cord are called
Fibers
Wings
Tracts
Horns
Pyramids
Horns
The _____ nerve, which arises in the cervical plexus, innervates the diaphragm.
Lesser occipital
Sciatic
Phrenic
Radial
Ansa Cervicalis
Phrenic
In the spinal cord, white matter is separated into ascending and descending tracts organized as
Ganglia
Horns
Nerves
Nuclei
Columns
Columns
In which plexus does the ulnar nerve arise?
Cervical
Lumbar
Cranial
Sacral
Brachial
Brachhial
The white matter of the spinal cord contains
Bundles of dendrites with common origins, destinations, and functions.
Sensory and motor nuclei.
Bundles of axons with common origins, destinations, and functions.
Both axons and dendrites.
Interneurons.
Bundles of axons with common origins, destination, and functions.
The specialized membranes that surround the spinal cord are termed the
Cranial matter
Spinal matter
Cranial meninges
Epidural membranes
Spinal meninges
Spinal meninges
Spinal nerves are
Interneuronal
Purely motor
Purely sensory
Both sensory and motor
Both sensory and motor
The outermost connective tissue covering of the nerves is the
Epineurium
Endoneurium
Endomysium
Perineurium
Episysium
Epineurium
The spinal cord consists of five regions and _________ segments.
25
5
12
31
Number varies widely among individuals
31
Enlargements of the spinal cord occur
In the thoracic region
In those spinal segments that control the limbs
Adjacent to the anterior median fissure
Near the posterior median sulcus
In the sacral region
In those spinal segments that control limbs